import java.io.*;

public class Example10_12 {

   public static void main(String args[]) {

      String command = "渡江总攻时间是4月22日晚10点";

      EncryptAndDecrypt person = new EncryptAndDecrypt();

      String password = "Tiger";

      String secret = person.encrypt(command,password); 

      File file=new File("secret.txt");

      try{

          FileOutputStream fos=new FileOutputStream(file);

          DataOutputStream outData=new DataOutputStream(fos);

          outData.writeUTF(secret);

          System.out.println("加密命令:"+secret);

       } 

       catch(IOException e){}

       try{

          FileInputStream fis=new FileInputStream(file);

          DataInputStream inData=new DataInputStream(fis);

          String str = inData.readUTF();

          String mingwen = person.decrypt(str,password);

          System.out.println("解密命令:"+mingwen);       

       }

       catch(IOException e){}

   }

}
